<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">
        a {
            color:red;

        }

    </style>
</head>
<body>
    <div id="div1">
        <p>这是个段落</p>
        用户名:<input type="text" name="uname" id="username" class="px"/>
        <br>
        密码:<input type="text" name="pword" id="password" class="pv vm"/>
        <br>
        <a href="https://www.baidu.com">百度一下，你就知道</a>

    </div>

</body>
</html>